On Buster Posey Day, his successor Joey Bart is taking the highs with the lows – KNBR
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Giants legend Buster Posey officially retires, cites family, other reasons
Report - San Francisco Giants' Buster Posey plans to retire Thursday - ESPN
AP Source: Giants C Buster Posey will announce retirement - The San Diego Union-Tribune
Retired Giants catcher Buster Posey goes back to school to complete his degree from Florida State
Why Buster Posey's retirement didn't shock former Giant Will Clark – NBC Sports Bay Area & California
Buster Posey ready to move on from baseball, says farewell
Buster Posey retires: Giants catcher's singular career, legacy - Sports Illustrated
SF Giants' Buster Posey set to announce retirement on Thursday, per report – Times Herald Online